Antibacterial hydrophilic compound and use thereof

A processing method for a surface of a material, comprising the following operations:

• providing a modification agent including an antibacterial hydrophilic compound;
• spraying or brushing the modification agent on a surface of a material containing C—H groups and treating the surface with ultraviolet light to cause the antibacterial hydrophilic compound to covalently bind the surface to obtain a processed material, wherein
• a general structural formula of the antibacterial hydrophilic compound is represented by L-D-Q, wherein
• at least one end of the group L is connected to the group Q through the linking group D;
• an end of the group Q with “” is connected to the linking group D;
• the group L has a structure represented by the following formulas (L1), (L2), (L3), (L4), or (L5);
• the group D is a single-bond, or a divalent C1-18 hydrocarbyl group that is unsubstituted or substituted, wherein the divalent C1-18 hydrocarbyl group includes or does not include a linking group including heteroatom(s), the heteroatom(s) being at least one of O, S, N, Si, Se, or P atoms;
• the group Q is selected from a biguanide compound residue represented by a formula (C1), a group represented by the following formula (D2), and halamine group represented by the following formulas (B1), (B2), (B3), or (B4),
• wherein
• r is 1 or 2;
• Y is one of a single bond, oxygen atom, sulfur atom, silicon atom, selenium atom, —C(O)— group, —SO2— group, —NH— group, and C1-3 alkylene groups;
• R1-R9 and R2′-R8′ are independently selected from hydrogen atom, halogen atom, monovalent polar group, and monovalent C1-18 hydrocarbyl groups that are substituted or unsubstituted;
• wherein
• c is an integer from 0 to 2, n is a positive integer from 1 to 100, Rc is selected from a monovalent C1-18 hydrocarbyl group that is unsubstituted or substituted, wherein the monovalent C1-18 hydrocarbyl group includes or does not include a linking group including heteroatom, the heteroatom being N atom, and X is selected from halogen atom;
• wherein
• T is R13 or —R23-A⊖, R13 is independently selected from monovalent C1-18 hydrocarbyl groups that are unsubstituted or substituted, and R23 is selected from divalent C1-18 hydrocarbyl groups that are unsubstituted or substituted;
• R32-R33 are independently selected from hydrogen atom, halogen atom, monovalent polar group, and monovalent C1-18 hydrocarbyl groups that are substituted or unsubstituted;
• A is selected from —COO, —SO3 and —OPO2ORe, and Re is a monovalent C1-6 alkyl, cycloalkyl, or aryl group, wherein Re is unsubstituted or substituted;
• wherein X is selected from halogen atom.

A modified material, wherein the modified material includes a surface covalently bonded with an antibacterial hydrophilic compound, the modified material having an antibacterial function, wherein

• a general structural formula of the antibacterial hydrophilic compound is represented by L-D-Q, wherein
• at least one end of the group L is connected to the group Q through the linking group D;
• an end of the group Q with “” is connected to the linking group D;
• the group L has a structure represented by the following formulas (L1), (L2), (L3), (L4), or (L5);
• the group D is a single-bond, or a divalent C1-18 hydrocarbyl group that is unsubstituted or substituted, wherein the divalent C1-18 hydrocarbyl group includes or does not include a linking group including heteroatom(s), the heteroatom(s) being at least one of O, S, N, Si, Se, or P atoms;
• the group Q is selected from a biguanide compound residue represented by a formula (C1), a group represented by the following formula (D2), and halamine group represented by the following formulas (B1), (B2), (B3), or (B4),
• wherein
• r is 1 or 2;
• Y is one of a single bond, oxygen atom, sulfur atom, silicon atom, selenium atom, —C(O)— group, —SO2— group, —NH— group, and C1-3 alkylene groups;
• R1-R9 and R2′-R8′ are independently selected from hydrogen atom, halogen atom, monovalent polar group, and monovalent C1-18 hydrocarbyl groups that are substituted or unsubstituted;
• wherein
• c is an integer from 0 to 2, n is a positive integer from 1 to 100, Rc is selected from a monovalent C1-18 hydrocarbyl group that is unsubstituted or substituted, wherein the monovalent C1-18 hydrocarbyl group includes or does not include a linking group including heteroatom, the heteroatom being N atom, and X is selected from halogen atom;
• wherein
• T is R13 or —R23-A⊖, R13 is independently selected from monovalent C1-18 hydrocarbyl groups that are unsubstituted or substituted, and R23 is selected from divalent C1-18 hydrocarbyl groups that are unsubstituted or substituted;
• R32-R33 are independently selected from hydrogen atom, halogen atom, monovalent polar group, and monovalent C1-18 hydrocarbyl groups that are substituted or unsubstituted;
• A is selected from —COO, —SO3 and —OPO2ORe, and Re is a monovalent C1-6 alkyl, cycloalkyl, or aryl group, wherein Re is unsubstituted or substituted;
• wherein X is selected from halogen atom.